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I'm having a ton of problem creating a realistic leaves for a personal project. Basically, what I'm having trouble with is getting good-looking translucency for my leaves.

What I've tried: Custom shader with diffuse from both sides of leaves, Mantra surface with thin-film refraction (best results) and SpeedTree's shader. I haven't achieved anything I'm too happy with with any of these.

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Hi, since I've found this topic to be the closest to what I was looking for I will continue from here.

I am also having a translucency problem using refraction, considering that I am also using it for tree leafs and that my geometry is also flat but my problem is not with results but with render times I have thousands of trees on the field of view and if I turn refraction on the render times goes to the roof and I get more noise, I was wondering if someone have some tips about how to get a translucent leaf with a less costly render times using PBR.

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Dude, it hit the post! almost there, I just added a "PBR diffuse" with translucency inside the surface model and it worked but the problem now are the shadows I tried to use the "fake caustic" but it messes with the transparency, any tips on how to affect physically them or fake it without messing with the transparency?

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Dude, it hit the post! almost there, I just added a "PBR diffuse" with translucency inside the surface model and it worked but the problem now are the shadows I tried to use the "fake caustic" but it messes with the transparency, any tips on how to affect physically them or fake it without messing with the transparency?

I'm not seeing a shadow issue with a very simple setup - see attached.